Urine protein/creatinine ratio (UPCR) =< 1Xx_NEWLINE_xXUrine protein/creatinine ratio (UPCR) =< 1Xx_NEWLINE_xXUrine protein/creatinine ratio (UPCR) =< 1Xx_NEWLINE_xXUrine protein/creatinine ratio (UPCR) =< 1Xx_NEWLINE_xXUrine protein/creatinine ratio (UPCR) =< 2Xx_NEWLINE_xXUrine protein:creatinine ratio (UPC) =< 45 mg/mmol; ONLY APPLICABLE for patients with NF2 mutation (GSK2256098)Xx_NEWLINE_xXUrine protein: creatinine ratio (UPC) of =< 1 or less than or equal to 2+ proteinuria on two consecutive dipsticks taken no less than 1 week apart; UPC is the preferred test; patients with >= 2+ proteinuria on dipstick must also have a 24 hour urine collection demonstrating =< 500 mg over 24 hoursXx_NEWLINE_xXUrine protein: creatinine ratio urine protein creatinine (UPC) of =< 1 OR less than or equal to 2+ proteinuria on two consecutive dipsticks taken no less than 1 week apart; UPC is the preferred test; patients with 2+ proteinuria on dipstick must also have a 24-hour urine collection demonstrating protein of =< 500 mg over 24 hoursXx_NEWLINE_xXA urine protein:creatinine ratio of < 1 or < 1 g protein on 24-hour urine collectionXx_NEWLINE_xXUrine protein to creatinine (UPC) ratio < 0.5 or if >= 0.5, 24-hour urine protein must be < 1000 mgXx_NEWLINE_xXUrine protein creatinine (UPC) =< 1; if UPC >= 1, then a 24-hour urine protein must be assessed; eligible patients must have a 24-hour urine protein value < 1 g/LXx_NEWLINE_xXProteinuria of CTCAE grade 3 or higher (estimated by urine protein: creatinine ratio >= 3.5 on a random urine sample); patients who recently (i.e., at least 30 days prior to registration) discontinued an anti-angiogenic therapy which caused proteinuria (ie, grade 2 (> 2 to > 3 g of protein or 1-3.5 g/24 hours [h]) or grade 3 proteinuria (> 4 of protein or > 3.5 g/24 h) are not eligible for enrollment until proteinuria improves to < 2 g of protein per 24 hXx_NEWLINE_xXWithin 14 days prior to registration: Urine protein creatinine (UPC) ratio must be < 1.0 gm; if UPC ratio >= 1, collection of 24-hour urine measurement of urine protein is recommended (24-hour urine protein level must be < 1000 mg for patient enrollment); UPC ratio of spot urine is an estimation of the 24-hour urine protein excretion � a UPC ratio of 1 is roughly equivalent to a 24-hour urine protein of 1 gmXx_NEWLINE_xXWithin 28 days prior to administration of study treatment: Urine protein: creatinine ratio (UPC) of =< 1Xx_NEWLINE_xXWithin 28 days prior to administration of therapy: Proteinuria - urine protein:creatinine ratio (UPC) of =< 1 OR =< 2+ proteinuria on two consecutive urinalysis/dipstick tests taken no less than 1 week apart; patients with 2+ proteinuria on dipstick must also have a UPC of =< 0.5 on 2 consecutive samplesXx_NEWLINE_xXUrine protein: creatinine ratio (UPC) of =< 1; UPC is the preferred testXx_NEWLINE_xXUrine protein: creatinine (UPC) ratio < 1 or urine dipstick for proteinuria =< 2+ (note: if the UPC ratio is >= 1.0 then a 24-hour urine collection should be performed and this must demonstrate =< 1g of protein in 24 hours)Xx_NEWLINE_xX